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What does %~dp0 mean, and how does it work?
I find %~dp0 very useful, and I use it a lot to make my batch files more portable.
7 Answers
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Is 23,148,855,308,184,500 a magic number, or sheer chance?
News reports such as this one indicate that the above number may have arisen as a programming bug.
7 Answers
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List comprehension vs. lambda + filter
I happened to find myself having a basic filtering need: I have a list and I have to filter it by an attribute of the items.
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Multiple submit buttons on HTML form – designate one button as default [duplicate]
... this behaviour. You can effectively alter the order using floats. For example:
<p id="buttons">
<input type="submit" name="next" value="Next">
<input type="submit" name="prev" value="Previous">
</p>
with:
#buttons { overflow: hidden; }
#buttons input { float: right; }
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When to use EntityManager.find() vs EntityManager.getReference() with JPA
I have come across a situation (which I think is weird but is possibly quite normal) where I use the EntityManager.getReference(LObj.getClass(), LObj.getId()) to get a database entity and then pass the returned object to be persisted in another table.
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What is your most productive shortcut with Vim?
I've heard a lot about Vim , both pros and cons.
It really seems you should be (as a developer) faster with Vim than with any other editor.
I'm using Vim to do some basic stuff and I'm at best 10 times less productive with Vim.
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Where does mongodb stand in the CAP theorem?
Everywhere I look, I see that MongoDB is CP.
But when I dig in I see it is eventually consistent.
Is it CP when you use safe=true? If so, does that mean that when I write with safe=true, all replicas will be updated before getting the result?
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How to deserialize a JObject to .NET object
I happily use the Newtonsoft JSON library .
For example, I would create a JObject from a .NET object, in this case an instance of Exception (might or might not be a subclass)
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How to get line count of a large file cheaply in Python?
...ed to get a line count of a large file (hundreds of thousands of lines) in python. What is the most efficient way both memory- and time-wise?
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How do you use an identity file with rsync?
...h-add ~/.ssh/1234-identity
ssh-agent is a user daemon which holds unencrypted ssh keys in memory. ssh finds it based on environment variables which ssh-agent outputs when run. Using eval to evaluate this output creates the environment variables. ssh-add is the command which manages the keys mem...